Filter capacitance adjustable device

Abstract

The utility model discloses a filter capacitance adjustable device, and belongs to the technical field of filters. The filter capacitance adjustable device comprises a filter body, one end of the filter body is communicated with a capacitor shell, one side of the outer wall of the capacitor shell is provided with a scale plate, the center position of one side of the scale plate is rotatably connected with an indication assembly, and the indication assembly comprises a shaft rod, a capacitor medium and a pointer. A capacitor medium is installed on one side of the outer wall of the shaft rod, one end of the shaft rod extends to the outside of the scale plate and is connected with one end of the pointer in a sleeving mode, a medium assembly is arranged at the top end of the interior of the capacitor shell and located over the indication assembly, the medium assembly comprises a medium cavity, a vertical pile and a fixing base, and the vertical pile is connected with the fixing base. A vertical pile is installed at the top end of the medium cavity, the top end of the vertical pile is connected with a fixing base, and the fixing base is installed at the top end of the interior of the capacitor shell.

Description

Technical Field

[0001] The utility model relates to the technical field of filters, in particular to a filter capacitor adjustable device. Background Technique

[0002] Traditional filters mostly use multiple resonant rods in cooperation with capacitor adjusting rods to change the capacitance, which has the problems of large volume and inconvenient installation and debugging; in addition, the adjustment range is small, and the capacitance is not easy to adjust and change. After retrieval, a filter capacitor adjustable device is disclosed in a Chinese patent with the authorization announcement number CN213845463U, which includes a filter main body. A filter cavity is arranged inside the filter main body, and an adjusting mechanism for driving the capacitor medium at the bottom of the filter cavity to rotate back and forth is arranged inside the filter cavity. The beneficial effect of the utility model is that: by driving the rotation of the worm by a reduction motor, the worm meshes with the turbine for transmission, and drives the rotating shaft connected to the worm to rotate and cooperate inside the filter cavity, thereby driving the capacitor medium arranged under the filter main body to rotate, realizing rotation in the medium groove inside the medium cavity arranged at the bottom, and realizing the change of the relative area between the capacitor medium and the medium groove, and realizing the change of the capacitance.

[0003] However, in the actual use process of this scheme, due to the lack of numerical identification, the adjustment of this device cannot be adjusted according to the specified value as required, thus reducing the adjustment accuracy. Content of the Utility Model

[0004] In order to solve the problem that the existing device cannot be accurately adjusted, the utility model provides a filter capacitor adjustable device.

[0005] In view of the above problems, the technical solution proposed by the utility model is:

[0006] A filter capacitor adjustable device includes a filter main body. One end of the filter main body is communicated with a capacitor housing. A scale plate is arranged on one side of the outer wall of the capacitor housing. An indicating component is rotatably connected to the center position on one side of the scale plate. The indicating component includes a shaft rod, a capacitor medium and a pointer. A capacitor medium is installed on one side of the outer wall of the shaft rod. One end of the shaft rod extends to the outside of the scale plate and is sleeved and connected to one end of the pointer. A medium component is arranged at the top inside the capacitor housing, and the medium component is directly above the indicating component.

[0007] Further, the medium component includes a medium cavity, a vertical pile and a fixing seat. A vertical pile is installed at the top of the medium cavity, and the top of the vertical pile is connected to the fixing seat, and the fixing seat is installed at the top inside the capacitor housing.

[0008] The beneficial effect of adopting the above further solution is that by connecting and using the vertical piles and the fixed seats, the dielectric cavity can be fixed inside the capacitor housing, which is beneficial to maintaining its stability.

[0009] Further, a dielectric groove is provided at the bottom end of the dielectric cavity, and there is a gap between the dielectric groove and the capacitor dielectric.

[0010] The beneficial effect of adopting the above further solution is that by providing the dielectric groove, it can change the capacitance by changing the contact surface with the capacitor dielectric.

[0011] Further, a worm and a worm gear are respectively rotatably connected to both sides inside the filter body, the worm and the worm gear are meshed with each other, and one end of the worm gear is sleeved and connected to one end of the indicating component.

[0012] The beneficial effect of adopting the above further solution is that by the cooperation of the worm and the worm gear, the adjustment of the device is more convenient, and the pointer can be locked to avoid the pointer being toggled by force.

[0013] Further, an adjustment mechanism is provided on the outer wall of the filter body, and the adjustment mechanism includes a sleeve and a knob, and one end of the knob is connected to one end of the worm.

[0014] The beneficial effect of adopting the above further solution is that by connecting and using the knob, the rotation adjustment of the worm is more convenient.

[0015] Further, the sleeve is fixedly installed on the outer wall of the filter body, and the knob is rotatably connected inside the sleeve.

[0016] The beneficial effect of adopting the above further solution is that by connecting and using the sleeve, the knob can be restricted in a specified area, which is beneficial to adjusting the device.

[0017] Further, the filter body includes a housing and a housing cover, and bolts are threadedly connected to the four corners at the top end of the housing, and the housing is connected to the housing cover through the bolts.

[0018] The beneficial effect of adopting the above further solution is that by connecting and using the bolts, the housing and the housing cover are detachably connected, so as to facilitate the maintenance of the internal structure of the filter body.

[0019] Further, the adjacent sides of the pointer and the scale plate are mutually attached.

[0020] Compared with the prior art, the beneficial effects of the present utility model are:

[0021] The filter capacitor adjustable device, through the combined use of a capacitor housing, a scale plate, an indicating component and a dielectric component, enables the device to be adjusted to a more accurate capacitance value according to requirements. Among them, by causing the shaft rod to rotate, it drives the capacitor dielectric to rotate in a circle, and by adjusting the relative area between the capacitor dielectric and the dielectric component, the change of capacitance is realized. At the same time, through the sleeve connection of the pointer, it can rotate synchronously with the shaft rod, and cooperate with the numerical display function of the scale plate, so that the pointing value of the pointer reflects the current capacitance variation, thus realizing a more accurate adjustment function. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 FIG. 6 is a three-dimensional schematic diagram of a filter capacitor adjustable device provided by the present invention;

[0023] Figure 2 FIG. 10 is a sectional view of the filter body of a filter capacitor adjustable device provided by the present invention;

[0024] Figure 3 FIG. 14 is a sectional view of the capacitor housing of a filter capacitor adjustable device provided by the present invention;

[0025] Figure 4 FIG. 18 is a schematic diagram of an indicating component of a filter capacitor adjustable device provided by the present invention;

[0026] Figure 5 FIG. 22 is a schematic diagram of a dielectric component of a filter capacitor adjustable device provided by the present invention.

[0027] In the figure: 100, filter body; 1001, housing; 1002, shell cover; 200, capacitor housing; 300, scale plate; 400, indicating component; 4001, shaft rod; 4002, capacitor dielectric; 4003, pointer; 500, adjusting mechanism; 5001, sleeve; 5002, knob; 600, worm; 700, worm gear; 800, dielectric component; 8001, dielectric cavity; 8002, vertical pile; 8003, fixed seat. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0029] Embodiment 1

[0030] Please refer to Figures 1 - 5, the present utility model provides a technical solution: a filter capacitor adjustable device, including a filter main body 100. One end of the filter main body 100 is connected to a capacitor housing 200. On one side of the outer wall of the capacitor housing 200, there is a scale plate 300. At the center position on one side of the scale plate 300, there is a rotatably connected indicating component 400. The indicating component 400 includes a shaft rod 4001, a capacitor dielectric 4002, and a pointer 4003. On one side of the outer wall of the shaft rod 4001, the capacitor dielectric 4002 is installed. One end of the shaft rod 4001 extends to the outside of the scale plate 300 and is sleeved and connected to one end of the pointer 4003. At the top inside the capacitor housing 200, there is a dielectric component 800. The dielectric component 800 is located directly above the indicating component 400. By causing the shaft rod 4001 to rotate, it drives the capacitor dielectric 4002 to rotate in a circle, and by adjusting the relative area between the capacitor dielectric 4002 and the dielectric component 800, the change of the capacitor is realized. At the same time, through the sleeved connection of the pointer 4003, it can rotate synchronously with the shaft rod 4001, and with the numerical display function of the scale plate 300, the pointing value of the pointer 4003 reflects the variable of the current capacitor, thereby realizing a more accurate adjustment function.

[0031] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0032] Embodiment 2

[0033] Please refer to Figures 1 - 5, as an embodiment of the present utility model, further, the dielectric component 800 includes a dielectric cavity 8001, a vertical pile 8002 and a fixing base 8003. The vertical pile 8002 is installed at the top end of the dielectric cavity 8001, and the top end of the vertical pile 8002 is connected to the fixing base 8003. The fixing base 8003 is installed at the inner top end of the capacitor housing 200. Through the connection and use of the vertical pile 8002 and the fixing base 8003, the dielectric cavity 8001 can be fixed inside the capacitor housing 200, which is beneficial to maintaining its stability. A dielectric groove is provided at the bottom end of the dielectric cavity 8001, and there is a gap between the dielectric groove and the capacitor dielectric 4002. Through the setting of the dielectric groove, by changing the contact surface with the capacitor dielectric 4002, the capacitance can be changed. On both sides inside the filter body 100, a worm 600 and a worm gear 700 are respectively rotatably connected. The worm 600 and the worm gear 700 are meshed with each other. One end of the worm gear 700 is sleeved and connected to one end of the indicating component 400. Through the cooperation and use of the worm 600 and the worm gear 700, the adjustment of the device is made more convenient, and the pointer 4003 can be locked to avoid the pointer 4003 being toggled by force.

[0034] Embodiment III

[0035] Please refer to Figures 1 - 5 , as an embodiment of the present utility model, further, an adjustment mechanism 500 is provided on the outer wall of the filter body 100. The adjustment mechanism 500 includes a sleeve 5001 and a knob 5002. One end of the knob 5002 is connected to one end of the worm 600. Through the connection and use of the knob 5002, the rotation adjustment of the worm 600 is made more convenient. The sleeve 5001 is fixedly installed on the outer wall of the filter body 100, and the knob 5002 is rotatably connected inside the sleeve 5001. Through the connection and use of the sleeve 5001, the knob 5002 can be restricted in a specified area, which is beneficial to adjusting the device. The filter body 100 includes a housing 1001 and a housing cover 1002. Bolts are threadedly connected to the four corners at the top end of the housing 1001. The housing 1001 is connected to the housing cover 1002 through the bolts. Through the connection and use of the bolts, the housing 1001 and the housing cover 1002 are detachably connected, so as to facilitate the maintenance of the internal structure of the filter body 100. The pointer 4003 is in mutual contact with the adjacent side of the scale plate 300.

[0036] Specifically, the working principle of this filter capacitor adjustable device is as follows: When in use, first, check whether the structure of the device is intact. After ensuring the integrity of the structure, then put it into use. Among them, by turning the knob 5002, it drives the worm 600 to rotate, and by utilizing the meshing relationship between the worm 600 and the worm wheel 700, the shaft rod 4001 can rotate following the worm wheel 700, and drive the capacitor dielectric 4002 to rotate in a circle, and by adjusting the relative area between the capacitor dielectric 4002 and the dielectric component 800, the change of capacitance is realized. At the same time, through the sleeve connection of the pointer 4003, it can rotate synchronously with the shaft rod 4001, and cooperate with the numerical display function of the scale plate 300, so that the pointing value of the pointer 4003 reflects the variable of the current capacitance, thus realizing a more precise adjustment function. Then, through the connection and use of the vertical pile 8002 and the fixed seat 8003, the dielectric cavity 8001 can be fixed inside the capacitor housing 200, which is beneficial to maintaining its stability. At the same time, through the setting of the dielectric groove, by changing the contact surface with the capacitor dielectric 4002, the change of capacitance is realized.

Claims

1. A filter capacitance adjustable device, characterized in that: The invention comprises a filter body (100), one end of the filter body (100) is connected to a capacitor housing (200), a scale plate (300) is provided on one side of the outer wall of the capacitor housing (200), an indication component (400) is rotatably connected to the center position of one side of the scale plate (300), the indication component (400) comprises a shaft (4001), a capacitor medium (4002) and a pointer (4003), the capacitor medium (4002) is installed on one side of the outer wall of the shaft (4001), one end of the shaft (4001) extends to the outside of the scale plate (300) and is sleeve-connected to one end of the pointer (4003), and a dielectric component (800) is provided at the top end of the inner part of the capacitor housing (200), and the dielectric component (800) is located directly above the indication component (400).

2. A filter capacitance adjustable device according to claim 1, characterized in that: The dielectric component (800) comprises a dielectric cavity (8001), a vertical pile (8002) and a fixing seat (8003); the vertical pile (8002) is installed at the top end of the dielectric cavity (8001); the top end of the vertical pile (8002) is connected to the fixing seat (8003); and the fixing seat (8003) is installed at the inner top end of the capacitor housing (200).

3. A filter capacitance adjustable device according to claim 2, characterized in that: A dielectric groove is provided at the bottom end of the dielectric cavity (8001), and a gap is provided between the dielectric groove and the capacitor dielectric (4002).

4. The filter capacitance adjustable device according to claim 1, characterized in that: A worm (600) and a worm wheel (700) are rotatably connected on both sides of the filter body (100), the worm (600) and the worm wheel (700) are meshed with each other, and one end of the worm wheel (700) is sleeve-connected to one end of the indicating component (400).

5. The filter capacitance adjustable device according to claim 4, characterized in that: An adjustment mechanism (500) is provided on the outer wall of the filter body (100), and the adjustment mechanism (500) comprises a sleeve (5001) and a knob (5002), and one end of the knob (5002) is connected to one end of the worm (600).

6. The filter capacitance adjustable device according to claim 5, characterized in that: The sleeve (5001) is fixedly mounted on the outer wall of the filter body (100), and the knob (5002) is rotatably connected to the inside of the sleeve (5001).

7. The filter capacitance adjustable device according to claim 1, characterized in that: The filter body (100) comprises a shell (1001) and a shell cover (1002); the top four corners of the shell (1001) are threadedly connected with bolts; the shell (1001) is connected to the shell cover (1002) via the bolts.

8. The filter capacitance adjustable device according to claim 1, characterized in that: The pointer (4003) and an adjacent side of the scale plate (300) are in contact with each other.

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